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Analysis

  • max time kernel
    154s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2023, 14:43

General

  • Target

    http://outlook.office.com

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://outlook.office.com
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    bdbbd793778777706223b00a4ea24ed0

    SHA1

    bf09527cebe8906bfe6aa1e885bc9fb1b3ec54e4

    SHA256

    8b1034038298faf34d3f580c1ded7212f40d146de7e62cff20826c8b53f80c36

    SHA512

    7397d981e28bee91dd0e08c3a38444d8524204118548e8db810f5a277cbb08c20a64350063cf36ee4a943edba249f1d0ed350d4cfbc0671461cf27c2534c1f13

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    434B

    MD5

    8f1fbb6ab27306a5c955f89a6aa26c2b

    SHA1

    1708a01212da2d7be7503c3a6a7c05e095ab4161

    SHA256

    a8a0f70cfed7ba14aae51cbaabebcca1e258f689431ba69c588865cda5add1a1

    SHA512

    572f57777a8cd4f08c67d4e01817401fbe66f97557dd47e96fa4b745525c68f4fc6257550fee5e3986f9a2a7ad52e2b22ba395f13711d8a84889ca1473aa8952

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\osplltc\imagestore.dat

    Filesize

    17KB

    MD5

    2f5cd1ac5eadcd90d6cae87a20491ca6

    SHA1

    68885a750cf81589ad247ab2bfc5838249960850

    SHA256

    bae2607b05f2c78c2ff1075b4957426e0e0ee84128c0f97ecf7388842d381411

    SHA512

    29d20b9ed0596fd902be39b3de058366cd76a8114d1eb118920767ed21686917938df7a35313571f0660d81de0a3adaf41119554a4a4b2b8c721c70f2ca8bf97

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\osplltc\imagestore.dat

    Filesize

    18KB

    MD5

    736bd7269dc17a3a3640b7b55ec0dcab

    SHA1

    0dc4cdd91f8097b7768cbf1136255e975a9f4d55

    SHA256

    5890ff391e4a47ed3e84f2c7c78ae43e235f562ffde8bdb6fc9fd7ea6a2051b9

    SHA512

    e7d0fd0287edbd4e0dd0d7f9a684cf86895657a1477090823b93c39672314e56229e86541ff1ea59ae1f32f9a406ba4e78cd2c1ce618552b208aed3d16fa57e6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\favicon_a_eupayfgghqiai7k9sol6lg2[1].ico

    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01